Home / 7,971.54-11,957.74-2,424.46

Finding the Fourth Proportional to 7,971.54, 11,957.74 and 2,424.46

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Solution

The fourth proportional to 7,971.54, 11,957.74 and 2,424.46 is: 3,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.54 : 11,957.74 = 2,424.46 : x
  2. Step 2: Convert to fraction form
    7,971.54/11,957.74 = 2,424.46/x
  3. Step 3: Cross multiply
    7,971.54x = 11,957.74 × 2,424.46
  4. Step 4: Simplify right side
    7,971.54x = 28,991,050.20
  5. Step 5: Solve for x
    x = 28,991,050.20/7,971.54
  6. Step 6: Final answer
    x = 3,636.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.